SC/UPC to ST/APC OS2 Simplex Single-Mode Fiber Patch Cord, 2.0mm LSZH

Designed for links that require an SC/UPC interface on one side and ST/APC on the other, this OS2 simplex single-mode patch cord combines different connector types and polish types in one fixed cable. The current product specification lists OS2 9/125μm single-mode fiber, Corning ClearCurve® G.657.A1 fiber, a 2.0mm LSZH jacket, and ≤0.3 dB insertion loss.

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This SC/UPC to ST/APC patch cord is the mixed-connector, mixed-polish configuration in the OS2 single-mode simplex range. It combines an SC/UPC connector on one end with an ST/APC connector on the other, so both the connector type and polish type differ between the two endpoints. The current page specifies OS2 9/125μm single-mode fiber, Corning ClearCurve® G.657.A1 fiber, a 2.0mm LSZH jacket, and ≤0.3 dB insertion loss.

Connector A	SC UPC	Connector B	ST APC
Fiber type	OS2 9/125μm Single Mode	Wavelength	1310/1550nm CWDM DWDM
Fiber Count	Simplex Single Core	Standard Length	Customizable 1m~30m
Glass Fiber	Corning ClearCurve® G.657.A1	Cable Jacket	LSZH Low Smoke Zero Halogen
Insertion Loss	≤0.3dB	Cable Outer Diameter	2.0mm Yellow Outer

Product Highlights

SC/UPC to ST/APC Mixed Connector + Mixed Polish

This SKU combines two differences at once: SC to ST connector conversion and UPC to APC polish conversion. Its page identity should therefore stay centered on the complete SC/UPC-to-ST/APC pairing rather than on generic OS2 wording.

Match Each End to the Required Port

The cable itself does not have a fixed transmission direction, but each physical end must still match the required interface: the SC/UPC end goes to the SC/UPC side of the link and the ST/APC end goes to the ST/APC side.

OS2 Simplex, 2.0mm LSZH, ≤0.3 dB

The current page specifies OS2 9/125μm single-mode fiber in a simplex construction, Corning ClearCurve® G.657.A1 fiber, a 2.0mm LSZH jacket, and insertion loss of ≤0.3 dB.

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Strict Optical Cable Performance Inspection

Network fiber patch cords demand steady transmission performance and long service life. We select OS2 single-mode fiber, premium LSZH outer material and a mature production process to support stable connections for LAN and fiber network engineering projects.

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3D Interferometer Test

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End-Face Inspection

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Insertion Loss and Return Loss Testing

Strict Quality Control System

Consistent stable quality is our core competitiveness for fiber optic products. Our technical team has extensive experience in fiber optic communication. Our factory owns complete production and testing workshops, and supports customized OEM & ODM service for various network system suppliers.

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We control the quality of our products, including our strict qualification of manufacturers, quality control process and production technology, and compliance with certification and safety standards. At present, our products meet the industry standards and mainstream quality certification, such as ISO 9001, CE, RoHS, FCC, etc.
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FAQ

What’s the difference between UPC and APC fiber connector end faces?

UPC adopts flat polished surface with slight light reflection, suitable for common data transmission equipment interconnection. APC uses 8° angled polishing to cut return loss sharply, specially optimized for PON passive optical network systems to guarantee stable optical signal transmission.

What transmission distance can OS2 single-mode fiber support?

OS2 single-mode fiber has ultra-low attenuation performance, enabling stable transmission over distances from 10km up to 100km, meeting long-distance communication wiring demands.

When should I choose an SC/UPC to ST/APC patch cord?

Choose this configuration when one endpoint requires SC/UPC and the other requires ST/APC. It is not a substitute for an SC-to-SC or ST-to-ST cord because both the connector type and polish type are different at the two ends.

What specifications are currently listed for this patch cord?

The current page lists OS2 9/125μm single-mode fiber, simplex single-core construction, Corning ClearCurve® G.657.A1 fiber, LSZH jacket, 2.0mm yellow outer diameter, 1310/1550nm CWDM/DWDM wavelength information, and insertion loss of ≤0.3 dB.

Where is this SC/UPC to ST/APC cable currently positioned for use?

The current product description positions it for data-center and telecom optical wiring. The first compatibility check should still be the exact SC/UPC and ST/APC interfaces required at the two endpoints.